Home / 25,344.48-37,980-17,438.88

Finding the Fourth Proportional to 25,344.48, 37,980 and 17,438.88

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Solution

The fourth proportional to 25,344.48, 37,980 and 17,438.88 is: 26,133.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,344.48 : 37,980 = 17,438.88 : x
  2. Step 2: Convert to fraction form
    25,344.48/37,980 = 17,438.88/x
  3. Step 3: Cross multiply
    25,344.48x = 37,980 × 17,438.88
  4. Step 4: Simplify right side
    25,344.48x = 662,328,662.40
  5. Step 5: Solve for x
    x = 662,328,662.40/25,344.48
  6. Step 6: Final answer
    x = 26,133.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.